Abstract

This study learns the geographic information system of flood that occur almost every year in the flood�prone area in Bengawan Solo watershed, especially in Bojonegoro regency. These system perform an information about hierarchy of emergency and evacuation procedure when the flood happens. GIS used as a visualisation of the condition by using the map that constructed in a web based application. These application also using Postgre Database because the database is capable in handling map data or geom using postgis extensions. Method that used to determine Emergency dan Evacuation classification is Decission Tree, that using a flood data history. The procedures that given created as a reference how the evacuation should be done in accordance with the Standart Operational Procedure (SOP) that refer to national or international standards.